drm/xe/tlb_inval: add xe_tlb_inval_ggtt_full() GGTT invalidation helper

Add xe_tlb_inval_ggtt_full() and its GuC backend
send_tlb_inval_ggtt_full() for full engine TLB invalidation
within the requesting VF across all engines.

v2:
- Refactor with new helper xe_tlb_inval_issue_op_wait() and address
  nits (Niranjana)
v3:
- Avoid TOCTOU issue around CT state (Matt Brost)
v4:
- Propagate real send errors instead of masking as -ECANCELED (Sashiko)
v5:
- Handle -ENOTRECOVERABLE (wedged), drop redundant -ECANCELED
  (Matt Brost, Niranjana)

Assisted-by: Claude:claude-opus-4-8
Signed-off-by: Tangudu Tilak Tirumalesh <tilak.tirumalesh.tangudu@intel.com>
Acked-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260827082011.3370672-3-tilak.tirumalesh.tangudu@intel.com
Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com>

0 files changed, 0 insertions, 0 deletions